package com.atwj.filter;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;

/**
 * @author 吴先森
 * @description:
 * @create 2022-04-02 15:16
 */
public class ManagerFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        Filter.super.init(filterConfig);
    }

    @Override
    public void destroy() {
        Filter.super.destroy();
    }


    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest httpServletrequest = (HttpServletRequest) servletRequest;

        Object user = httpServletrequest.getSession().getAttribute("user");

        if (user == null) {
            httpServletrequest.getRequestDispatcher("/pages/user/login.jsp").forward(servletRequest, servletResponse);
        } else {
            filterChain.doFilter(servletRequest, servletResponse);
        }
    }
}
